How might referring to segregation as desolate help persuade listeners?

Referring to segregation as either desolate or doleful helps the reader understand what you're trying to describe or say.

Instead of "bad", if you use "desolate", the reader would perceive segregation as a higher degree to dismal.

post the picture, without it i cant answer it. : )

answer; i believe that the correct answer is (scientific data);